Gas Water Heater Sizes

Sizing storage and heat pump with tank water heaters.

Gas water heater sizes.

Direct vent furnaces venting. Small storage tank water heaters known as point of use or utility water heaters are good choices for adding hot water to outbuildings shops or garages. Find the right water heater where to buy rebate finder. The first hour rating is the number of gallons of hot water the heater can supply per hour starting with a tank full of hot water.

Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. To properly size a storage water heater for your home including a heat pump water heater with a tank use the water heater s first hour rating. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.

You can estimate the necessary tank capacity in gallons based on the number of people in the house. Choosing the right size of water heater also depends on your personal priorities. What size water heater do i need. Hybrid tankless water heaters.

Water heater recovery rate. 1 2 people you ll need a water tank with at least a 30 gallon capacity. Consider the sliding scale between water heater storage capacity vs. 1 or 2 people 23 to 36 gallons 2 to 4 people 36 to 46 gallons 3 to 5 people 46 to 56 gallons 5 or more people over 56 gallons add 10 gallons per additional person.

2 3 people you ll need at least a 40 gallon capacity tank. 3 4 people you ll need at least a 50 gallon capacity tank electric or a 40 gallon capacity tank natural gas or liquid. So i need to know what size tankless water heater is best for a family of 4. I wrote a really detailed article reviewing the best gas tankless water heaters for different sized households that you should read by clicking here.

Since i live in boston i should be looking at a gas tankless water heater since they work best in cold climates. Simply locate the appropriate water heater sizes on ecomfort using your information. Utility water heaters usually range in size from 2 5 to 19 gallons.